US274426A - Lamp-stove - Google Patents

Description

(No Model.)

0.8. WEST.

LAMP STOVE. N0. 274,426. I Patented Mar. 20, 1883;

WITNESSES! INVENTOR:

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UNITED STATES PATENT OFFICE.

CLARK S. VEST, OF BOSTON, MASSACHUSETTS.

LAMP-sieve.

' SP ECIFIGATION forming part of Letters Patent No. 274,426, dated liliarchv 20, 1883,

Application filed November 25, 1882. (No model.) I

To all whom it may concern:

' Be it known that I, CLARK S. VVEsT, of Boston, in the county of Suftolk and State of Massachusetts, have invented certain Improvements in Oil-Stoves, of which the following is a specification.

This invention has for its object to provide certain improved appliances for cooking by heat generated by combustion of oil; and to this end it consists in the improvements which I will now proceed to describe and claim.

In the drawing accompanying and forming part of this specification the figure represents a vertical longitudinal section of the invention.

In the drawing, n represents a platform or base, s'upportedby legsb b at a sufficient height above the floor to permit one or more oil-stoves, c, to be inserted under the same. The stove c has an oil-chamber, c, and a water-chamber, 0, over the oil-chamber, and separated therefrom by an intervening space. The wick-tubes c pass from the oil-chamber directly through the water-chamber. The cover of the waterchamber is provided with tubes 0, surrounding the wick-tubes, and extending upwardly nearly to the top of the wick-tubes and downwardl y nearly to the bottom of the water-chamber, as shown. The space formed by the tubes 0* around the wick-tubes c is adapted to receive a suitable capillary packing and'hold the same around the wick-tubes, so that it will conduct water from the water-chamber nearly to the surface ends of the wick-tubes. Any suitable material may be used for such packing, some non-combustible material-such as mineral wool-being preferred. The tubes 0 are adapted to hold a loose or unwoven packing material in place around the wick-tubes, as will be readily seen. i

The ratchets 0", that raise and lower the oilwicks, are located in the space between the oil and water chambers, so that said ratchets and their rods will not obstruct the tubes 0 The packing therefore is permitted to extend conthe top of each tube c.

The platform a has holes d, under which the stoves are placed, and through which the heated air and products of combustion pass to the inclosure or oven 8, supported on the platform. The oven e is open at the bottom, and is provided with double walls and top, forming side air-spaces, g g, and a top air-space, k. The airspaces g g communicate with the upper portion of the interior of the oven through orifices '1', and the lower portions of said air-spaces com-' municate with the external air through orifices j. The topair-space, h, communicates with the spaces gg, but has no communication with the interior of the oven, nor with the external air, excepting through the orifices i and j.

It represents a radiator or deflector placed over the opening cl under the oven. Said ra: diator is composed of an inverted pan or hottomless casing, with beveled edges having perforations l I, said edges being preferably cut away, excepting at the corners, to form airspaces under the edges l llhe body of the pan or deflector is not perforated, and is preferably made double over the openings clby attaching a pan-shaped plate, It, to its under side. The heated air, passing upward through the opening d, is deflected by the deflector k, and passes through and under the edges of said deflector to the outer part of the oven, rising to the top of the latter, and thus passing out through the orifice t, downward through the spaces g g, and out through the orifice j.

It will be observed that the deflector pre vents the heated air. from rushing directly against the under surface of articles contained on the shelves of the oven, the plate It also preventing the portion of the oven directly over the radiator from being heated in excess of other parts. The dead air contained in the top space, k, prevents outward radiation of heat from the top of the oven, and the arrangement of the orifices 5 and j, through which the heated air escapes, insures the thorough utilization of the heat as it passes downward through the space g.

It is found in practice that an oven, thus constructed and heated by my improved stove is capable of baking inthe most even and satisfactory nianner. any kind of food that can be baked. Loaves of bread weighing ten pounds have been baked in the best possible manner with one of said ovens. Forty-eight loaves of brown bread have been baked at one baking in an oven heated by two stoves.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In an oil-stove, the combination, with the platform a and a heater or heaters below the same, of an open-bottomed oven resting on the platform a, and a deflector, 7c, located over the opening or openings in the platform over the 5 heaters, said deflector being composed of a pan or bottomless casing having marginal openings for the passage of hot air, &c., into the oven, and a central plate, is, immediately over the heaters, whereby the portion of the oven diro rectly over the heaters is prevented from being overheated, as set forth.

2. An open-bottomed oven having double walls, forming side air-spaces, g g, a series of openings, 2', in the inner walls of the oven, near I 5 the upper portion thereof, a series ofopenings,

j, in the lower portion of the outer walls, and the double top, forming the top air-space, h, having no-outlet excepting through the side spaces, g 9, said space h containing a layer of 20 heated and confined air, which prevents radiation of heat and prevents the upward escape of the heated air from the interior of the oven the tubes 0 surrounding the wick-tubes and projecting both above and below the top of the water-chamber, said tubes being unobstructed by the wick-ratchets and adapted to hold a loose packing in place around the wick-tubes, as set forth.

In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, this 20th day of November, 1882. Y

, CLARK S. WEST. Witnesses 0-. F. BROWN, A. L. WHITE.

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